/ Dictionary / Index L libidinous: Meaning and Definition of Find definitions for: li•bid•i•nous Pronunciation: (li-bid'n-us), [key] — adj. full of sexual lust; lustful; lewd; lascivious. of, pertaining to, or characteristic of the libido. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: libidinous (Thesaurus) Libia libido Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language